In depth comparison and review of Acer TravelMate Spin B3 (TMB311R-31) and Lenovo Yoga C640-13IML (Lenovo Yoga C640). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
| DESIGN AND DIMENSIONS | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 29.5 cm x 21.5 cm x 2.09 cm | 30.6 cm x 20.448 cm x 1.695 cm |
| Weight | 1.49 kg | 1.35 kg |
| Case Material | - | Aluminum, polycarbonate, glass-fibre |
| Colour | Shale black | Iron grey |
| DISPLAY | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
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| Screen Size (Type) | 11.6" - AHVA | 13.3" - IPS |
|---|---|---|
| Touchscreen | Yes (multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 235 cd/m² | 400 cd/m² |
| Colour Gamut | - | 72% NTSC |
| Windows Ink Capability | Yes | - |
| Features | Glare, CineCrystal, 25 ms response rate | Anti-glare, 72% NTSC colour gamut |
| PROCESSOR | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| CPU | Intel Celeron N4020 / 1.1 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 4.2 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Burst Technology | Integrated memory controller |
| MEMORY | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
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| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| STORAGE | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Main Storage Size (HDD/SSD) | 64 GB eMMC - eMMC 5.1 - SanDisk | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - HD | Yes - 720p |
| Camera Features | - | Privacy shutter |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 2230 | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL) | Dual stream (2x2) |
| BATTERY | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Technology | 4-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 60 Wh |
| Battery Life | Up to 12 hours | Up to 20 hours |
| AC ADAPTER | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 45 Watt |
| INPUT | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Type | Keyboard, touchpad | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Interfaces | 2 x USB 3.2 Gen 1 HDMI Headphone/microphone combo jack LAN |
2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition National Academic | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Acer TravelMate Spin B3 (TMB311R-31) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Included Accessories | Power adapter | Power adapter, Lenovo Active Pen |
|---|---|---|
| Integrated Options | - | Accelerometer |
| Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | MU-MIMO technology | Administrator password, power-on password |
| Compliant Standards | MIL-STD 810G | RoHS |
| SAR Value | 0.82 W/kg (body), 0.82 W/kg (limb), 0.82 W/kg (head) | 0.32 W/kg (body), 0.32 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | C2K1 | 13IML 81UE |
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